JS获取DropDownList的value值与text值的示例代码

Javascript教程 2025-08-21

相关JS:

复制代码代码如下:

< script type="text/javascript" language="javascript" >

function SearchChange()

{

var ddl = document.getElementById("DropDownList1")

var index = ddl.selectedIndex;

var Value = ddl.options[index].value;

var Text = ddl.options[index].text;

alert(Value);

}

< /script >

调用:

复制代码代码如下:

< asp:DropDownList ID="DropDownList1" runat="server" onchange="SearchChange();" >

< asp:ListItem Value="0" >111< /asp:ListItem >

< asp:ListItem Value="1" >222< /asp:ListItem >

< asp:ListItem Value="2" >333< /asp:ListItem >

< /asp:DropDownList